Keith Duemling is a transformative cybersecurity leader with two decades of experience building enterprise-grade security across healthcare systems. As Vice President and CISO at Catholic Health Long Island, he drives a business-integrated cybersecurity strategy that accelerates digital transformation while reducing clinical and operational risk. His leadership advances Zero Trust architecture, identity threat detection, and third-party risk governance to position security as an enabler of innovation and patient trust. Previously with Cleveland Clinic and University Hospitals affiliates, Keith led global cyber operations and developed foundational programs protecting clinical, research, and administrative environments at scale.